package analysis.syntaxtree;import java.util.List;import java.util.Vector;public class ExpList {	private Vector list;	public ExpList() {		list = new Vector();	}	public void addElement(Exp n) {		list.addElement(n);	}	public Exp elementAt(int i)  { 		return (Exp)list.elementAt(i); 	}	public int size() { 		return list.size(); 	}	public List<Exp> getList() {		return list;	}}